build: Link libatomic statically on Linux aarch64 (#3120)

CMakeLists.txt

@@ -49,6 +49,18 @@ if(
     )
 endif()
 
+# On aarch64, libatomic is required for atomic operations. It is not needed on x86_64.
+# Linking it statically on Linux
+if(
+    CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64"
+    AND CMAKE_SYSTEM_NAME STREQUAL "Linux"
+)
+    target_link_options(
+        clio_options
+        INTERFACE -Wl,--push-state -Wl,-Bstatic -latomic -Wl,--pop-state
+    )
+endif()
+
 # Apply sanitizer instrumentation if requested and define SANITIZERS_ENABLED.
 # Must come before the modules and subdirectories below that key off it.
 include(Sanitizers)

docker/clio/Dockerfile

@@ -1,11 +1,5 @@
 FROM ubuntu:22.04
 
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends --no-install-suggests \
-        libatomic1 \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
-
 RUN groupadd -g 10001 clio \
     && useradd -u 10000 -g 10001 -s /bin/bash clio